<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://s3.pstatp.com/cdn/expire-1-M/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
</head>
<body>
<div class ="contains">
<ul>
<li><p class ="username"><span>管理员账号</span><input type ="text" placeholder ="username" class ="text_style" name ="user" id="user"></p></li>
<li><p class ="password"><span >管理员密码</span><input type ="text" placeholder ="password" class ="text_style" name ="pass" id="pass"></p></li>
</ul>
<div id="draggable" class="ui-widget-content">
<button class ="button" onclick="submit()" >确定</button>
</div>
</div>
 <link th:href ="@{/css/index.css}"  rel ="stylesheet" type ="text/css">
<script  th:src ="@{/js/index.js}"></script>

</body>
</html>